squid, squid3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Squid.
Software Description
Jeriko One discovered that Squid incorrectly handled memory when connected to an FTP server. A remote attacker could possibly use this issue to obtain sensitive information from Squid memory. (CVE-2019-12528)
Regis Leroy discovered that Squid incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to access server resources prohibited by earlier security filters. (CVE-2020-8449)
Guido Vranken discovered that Squid incorrectly handled certain buffer operations when acting as a reverse proxy. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-8450)
Aaron Costello discovered that Squid incorrectly handled certain NTLM authentication credentials. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2020-8517)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10
squid - 4.8-1ubuntu2.2
Ubuntu 18.04 LTS
squid - 3.5.27-1ubuntu1.5
Ubuntu 16.04 LTS
squid - 3.5.12-1ubuntu7.10
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Several security issues were fixed in Squid.
Software Description
- squid - Web proxy cache server
- squid3 - Web proxy cache server
Jeriko One discovered that Squid incorrectly handled memory when connected to an FTP server. A remote attacker could possibly use this issue to obtain sensitive information from Squid memory. (CVE-2019-12528)
Regis Leroy discovered that Squid incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to access server resources prohibited by earlier security filters. (CVE-2020-8449)
Guido Vranken discovered that Squid incorrectly handled certain buffer operations when acting as a reverse proxy. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-8450)
Aaron Costello discovered that Squid incorrectly handled certain NTLM authentication credentials. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. (CVE-2020-8517)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.10
squid - 4.8-1ubuntu2.2
Ubuntu 18.04 LTS
squid - 3.5.27-1ubuntu1.5
Ubuntu 16.04 LTS
squid - 3.5.12-1ubuntu7.10
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...